If you are printing more than one listing and would like your agent header to print out on each page, the web browser you are using will determine whether or not this is possible. Google Chrome, for instance, will not allow this feature:
Other browsers, such as Firefox, Internet Explorer and Microsoft Edge allow you to choose from a couple of options:
The above screen shot is from Edge, but you will see a very similar screen in Internet Explorer and Firefox.
This is a function of the browser, not Matrix. There is nothing we can do to change Chrome to allow you to print headers on every page.